Answer:Some individuals may be natural good at maths or may be just smart kids who are good with mathematics
Explanation:Some students may be intelligent or good at maths which means the shoe size will not be the cause of their quantification skills.
A confounding variable refers to another variable that you may have not take notice of but which is very likely to act on the variable you are trying to measure and make that change you are looking for , its an extra variable. It can mess up your experiment and give you result that are not caused by what your projected. They can assume a correlation that doesn't exist and insert bias in your study. For this reason you have to know these variable before you start your research or study in order to avoid them.
Answer:
The independent variables are the level of tiredness and the number of hours slept by the volunteers.
Explanation:
Independent variables are those that act on the dependent variables influencing a result, which can be observed by the researcher. In summary, the independent variable is one that can influence. In the case of the question above, we can see that the number of hours slept by the volunteers influenced the level of tiredness of the volunteers. These two variables were able to influence the level of proactivity and performance of the volunteers in their activities, which allows us to determine that these two variables are the independent variables of the study.
I believe it's the steam engine unsure with out answer choices <span />
The correct answer is C) Clans were made up of lineages that were descendants of multiple ancestors from different regions of Africa.
The statement that best describes evidence of a multicultural mix in East Africa is "Clans were made up of lineages that were descendants of multiple ancestors from different regions of Africa."
Let's set an example. The influence of the Bantu culture in East Africa that influenced Swahili civilization. Three thousand years ago, the Bantu people arrived in this area of Africa and settled in. They influenced the development of the Swahili in the regions of Mozambique, Kenya, and Tanzania.